Home / 126,388,709.02-174,421,805-70,634,127.80

Finding the Fourth Proportional to 126,388,709.02, 174,421,805 and 70,634,127.80

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Solution

The fourth proportional to 126,388,709.02, 174,421,805 and 70,634,127.80 is: 97,478,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388,709.02 : 174,421,805 = 70,634,127.80 : x
  2. Step 2: Convert to fraction form
    126,388,709.02/174,421,805 = 70,634,127.80/x
  3. Step 3: Cross multiply
    126,388,709.02x = 174,421,805 × 70,634,127.80
  4. Step 4: Simplify right side
    126,388,709.02x = 12,320,132,065,476,678
  5. Step 5: Solve for x
    x = 12,320,132,065,476,678/126,388,709.02
  6. Step 6: Final answer
    x = 97,478,106.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.